Korkers OmniTrax v3.0 Kling-On Sticky Fishing Soles synthetic-and-rubber Non-marking sticky rubber with added durability at the heel Ideal for use on land, in boats, and in less demanding wet wading conditions Reduces water absorption keeping them lightweight and reducing the spread of invasive species. Fits any Korkers boot or shoe with interchangable soles Soles easily snap into place even while standing